← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 921 · 40 questions
TalentJR

The fast method (Jump the point): Count the zeros: 10 → 1 jump, 100 → 2 jumps, 1000 → 3 jumps. × moves the point right; ÷ moves it left. Run out of digits? Fill the gaps with 0s. Drop 0s at the end of a decimal: 3.40 is 3.4.

NameDateTime takenScore ___ / 40
  1. 1.13.63 ÷ 10 =
  2. 2.390.4 × 10 =
  3. 3.172.8 ÷ 10 =
  4. 4.383.5 × 10 =
  5. 5.373.4 ÷ 1000 =
  6. 6.114.5 × 1000 =
  7. 7.261.2 × 10 =
  8. 8.252.4 ÷ 100 =
  9. 9.12.93 × 1000 =
  10. 10.429.3 × 1000 =
  11. 11.146.5 × 10 =
  12. 12.35.18 × 10 =
  13. 13.31.84 ÷ 100 =
  14. 14.8.66 × 100 =
  15. 15.118.3 × 1000 =
  16. 16.142.7 ÷ 1000 =
  17. 17.35.49 × 100 =
  18. 18.33.64 ÷ 1000 =
  19. 19.44.81 × 100 =
  20. 20.45.12 ÷ 10 =
  21. 21.37.34 × 10 =
  22. 22.4.42 × 100 =
  23. 23.13.16 × 100 =
  24. 24.49.11 ÷ 10 =
  25. 25.23.06 ÷ 100 =
  26. 26.17.08 × 10 =
  27. 27.165.4 × 100 =
  28. 28.41.61 × 10 =
  29. 29.44.18 × 1000 =
  30. 30.29.06 × 100 =
  31. 31.24.36 ÷ 1000 =
  32. 32.23.36 × 1000 =
  33. 33.45.02 ÷ 100 =
  34. 34.331.3 × 100 =
  35. 35.7.58 × 1000 =
  36. 36.3.11 ÷ 10 =
  37. 37.428.7 × 100 =
  38. 38.24.2 ÷ 1000 =
  39. 39.139.1 ÷ 10 =
  40. 40.38.38 × 1000 =

Answer key

  1. 1.363
  2. 3904
  3. 17.28
  4. 3835
  5. 0.3734
  6. 114500
  7. 2612
  8. 2.524
  9. 12930
  10. 429300
  11. 1465
  12. 351.8
  13. 0.3184
  14. 866
  15. 118300
  16. 0.1427
  17. 3549
  18. 0.03364
  19. 4481
  20. 4.512
  21. 373.4
  22. 442
  23. 1316
  24. 4.911
  25. 0.2306
  26. 170.8
  27. 16540
  28. 416.1
  29. 44180
  30. 2906
  31. 0.02436
  32. 23360
  33. 0.4502
  34. 33130
  35. 7580
  36. 0.311
  37. 42870
  38. 0.0242
  39. 13.91
  40. 38380

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths